package com.chinasofti.manager.domain.StrintBuilder;

public class Demo02 {
    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();
        StringBuilder sb1 = sb.append("hdsdgsd");
        System.out.println(sb);
        System.out.println(sb1);
        System.out.println(sb.reverse() );
    }
}
